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  <header>
    Early History of the Internet
  </header>
  <content>
    <ul id="items">
      <li>1961 First packet-switching papers</li>
      <li>1966 Merit Network founded</li>
      <li>1966 ARPANET planning starts</li>
      <li>1969 ARPANET carries its first packets</li>
      <li>1970 Mark I network at NPL (UK)</li>
      <li>1970 Network Information Center (NIC)</li>
      <li>1971 Merit Network's packet-switched network operational</li>
      <li>1971 Tymnet packet-switched network</li>
      <li>1972 Internet Assigned Numbers Authority (IANA) established</li>
      <li>1973 CYCLADES network demonstrated</li>
      <li>1974 Telenet packet-switched network</li>
      <li>1976 X.25 protocol approved</li>
      <li>1979 Internet Activities Board (IAB)</li>
      <li>1980 USENET news using UUCP</li>
      <li>1980 Ethernet standard introduced</li>
      <li>1981 BITNET established</li>
    </ul>
  </content>
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